OPPO F1s was released in the Philippines last August, it sells over 19,000 units in just 3 days! Maybe this is one of the reason why they dominate and named as the 2nd most selling smartphone in the country according to GFK.

The new 4GB RAM
variant of OPPO F1s retains the other specification of original F1s smartphone
including the camera, processor, chipsets, battery capacity and build quality.